You've probably seen these . If you are in high school (or a teacher), you definitely have. The message is good. Water from Mt. Everest to remind you to stay humble during the best of times. Mud from Dead Sea to remind you to stay hopeful during the worst of times. A real one is $18. I've seen knockoffs for much cheaper. But for the $18, you get a guarantee of... something. The beads are authenticated by FTI consulting. As near as I can tell, they don't do the tests themselves. They just promise that they saw the tests being done. Notice what the certificate doesn't say: It says nothing about where the mud and water came from. Just that there is mud and water there. Would you, without access to a laboratory, be able to determine if the water were from the tap or Everest? No. So the question really becomes one of faith: do you trust the people who are selling these bracelets not to lie to you? If you do, the bracelets are worth the hype. If you do n...
Blog started at my students' urging. Many different things will be talked about here.